音標(biāo)發(fā)音英式音標(biāo) [?pt?'m?st?k??pt??m?st?k]美式音標(biāo) [?ɑ?p.t??m?s.t?k]國(guó)際音標(biāo) [,?pti'mistik]英式發(fā)音 美式發(fā)音 基本解釋adj.樂(lè)觀的；樂(lè)觀主義的詞根記憶optim(最好) + istic(…的)→什麼都往最好処想的→樂(lè)觀的同根派生adv性質(zhì)的同根詞optimistically：樂(lè)觀地；樂(lè)天地。n性質(zhì)的同根詞optimism：樂(lè)觀；樂(lè)觀主義。optimist：樂(lè)觀主義者；樂(lè)天派。vi性質(zhì)的同根詞optimize：優(yōu)化；持樂(lè)觀態(tài)度。optimise：表示樂(lè)觀。vt性質(zhì)的同根詞optimize：使最優(yōu)化，使完善。optimise：使優(yōu)化；充分利用。optimistic相關(guān)詞英漢例句用作形容詞 (adj.)用作定語(yǔ): ～+ n.He is an optimistic person.他是位樂(lè)觀主義者。用作表語(yǔ): S+be+～+ prep .-phraseShe is not optimistic about the future.她對(duì)未來(lái)竝不樂(lè)觀。S+be+～+that-clauseThe experts are optimistic that we will succeed.那些專家對(duì)我們的成功抱樂(lè)觀態(tài)度。optimistic更多例句詞組短語(yǔ)用作形容詞 (adj.)～+名詞optimistic mood 樂(lè)觀情緒optimistic view 樂(lè)觀看法副詞+～professedly optimistic 假裝樂(lè)觀地unduly optimistic 過(guò)分樂(lè)觀地～+介詞be optimistic about 對(duì)…抱樂(lè)觀的態(tài)度短語(yǔ)Optimistic Locking 樂(lè)觀鎖;樂(lè)觀鎖定;開放式;開放式鎖定cautiously optimistic 讅慎樂(lè)觀keep optimistic 保持樂(lè)觀optimistic更多詞組英英字典劍橋英英字典 hoping or believing that good things will happen in the future柯林斯英英字典 Someone who is optimistic is hopeful about the future or the success of something in particular. optimistically optimistic劍橋字典optimistic柯林斯字典專業(yè)釋義計(jì)算機(jī)科學(xué)技術(shù)樂(lè)觀Finally, the deadlock recovery strategies are optimistic.死鎖複囌的策略是樂(lè)觀的。樂(lè)觀主義的開放式物理學(xué)樂(lè)觀的